In everyday life, designing spaces that both let air flow and absorb sound can be a tricky balancing act. Usually, materials that allow air to pass through—like vents—also let sound escape, making it ...

This latest accomplishment joins the company’s previously secured ASTM certifications, enhancing the features and expanding the end-uses for its microalgae-based bio-cement and bio-concrete. BOULDER, ...

Acoustical comfort is a critical element of interior design that should never be neglected, especially in shared spaces such as restaurants, convention centers, museums, sports halls, and many others.

Engineers have demonstrated that a fully open ventilation channel can absorb most incoming sound across a broad range of frequencies. That result breaks a long-standing tradeoff between airflow and ...

Sound, when emitted by a source — whether a person or a piece of equipment — propagates in all directions through space, being reflected, absorbed, transmitted, or diffracted as it encounters surfaces ...